Base | Representation |
---|---|
bin | 1011110000110011101… |
… | …0100001011100100000 |
3 | 201022121022102021120200 |
4 | 2330030322201130200 |
5 | 11302330003141343 |
6 | 232500114305200 |
7 | 20412506525301 |
oct | 2741472413440 |
9 | 638538367520 |
10 | 202080130848 |
11 | 78779a69302 |
12 | 331b8288200 |
13 | 1609627132b |
14 | 9ad04787a8 |
15 | 53cadb44d3 |
hex | 2f0cea1720 |
202080130848 has 54 divisors (see below), whose sum is σ = 574687067409. Its totient is φ = 67357500672.
The previous prime is 202080130843. The next prime is 202080130853. The reversal of 202080130848 is 848031080202.
It is a happy number.
It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.
It is an interprime number because it is at equal distance from previous prime (202080130843) and next prime (202080130853).
It can be written as a sum of positive squares in 2 ways, for example, as 186116313744 + 15963817104 = 431412^2 + 126348^2 .
It is an ABA number since it can be written as A⋅BA, here for A=2, B=317868.
It is a Harshad number since it is a multiple of its sum of digits (36).
It is not an unprimeable number, because it can be changed into a prime (202080130841) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 7615588 + ... + 7642076.
Almost surely, 2202080130848 is an apocalyptic number.
It is an amenable number.
202080130848 is an abundant number, since it is smaller than the sum of its proper divisors (372606936561).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
202080130848 is an frugal number, since it uses more digits than its factorization.
202080130848 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 52994 (or 26494 counting only the distinct ones).
The product of its (nonzero) digits is 24576, while the sum is 36.
The spelling of 202080130848 in words is "two hundred two billion, eighty million, one hundred thirty thousand, eight hundred forty-eight".
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